The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 1996
Filed:
Sep. 29, 1994
Siemens Energy & Automation, Inc., Alpharetta, GA (US);
Abstract
A voltage regulator controller of the types used with a multi-tap voltage regulator transformer having a plurality of tap positions for adjusting an output voltage in discrete tap position steps is provided with a number of control algorithms which are dynamically changed responsive to the measured oil temperature in the transformer. In one embodiment, the voltage regulator controller includes a memory having tap movement control code stored therein for controlling the tap positions in accordance with a plurality of tap position control algorithms, means for measuring the oil temperature of the voltage regulator transformer, means for monitoring the oil temperature within the transformer and, means for selecting one of the tap position control algorithms as being active as a function of the oil temperature.